import Vue from 'vue'
import VueRouter from 'vue-router'

Vue.use(VueRouter)
const routes = [
  { path: '/', redirect: '/login' },
  {
    path: '/login',
    component: () =>
      import('@/components/login/Login.vue')
  },
  {
    path: '/mian',
    component: () =>
      import('@/components/mian/Mian.vue'),
    redirect: '/home',
    children: [{
      path: '/users',
      component: () =>
        import('@/components/user/Users.vue')
    },
    {
      path: '/home',
      component: () =>
        import('@/components/mian/home.vue')
    },
    {
      path: '/rights',
      component: () =>
        import('@/components/power/Rights.vue')
    },
    {
      path: '/roles',
      component: () =>
        import('@/components/power/Roles.vue')
    },
    {
      path: '/categories',
      component: () =>
        import('@/components/goods/Cate.vue')
    },
    {
      path: '/params',
      component: () =>
        import('@/components/goods/Params.vue')
    },
    {
      path: '/goods',
      component: () =>
        import('@/components/goods/List.vue')
    },
    {
      path: '/goods/add',
      component: () =>
        import('@/components/goods/List_detail.vue')
    },
    {
      path: '/orders',
      component: () =>
        import('@/components/order/Order.vue')
    },
    {
      path: '/reports',
      component: () =>
        import('@/components/reports/Report.vue')
    }

    ]
  }

]

const router = new VueRouter({
  routes,
  mode: 'history'
})
router.beforeEach((to, from, next) => {
  // to 将访问哪一个路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数,表示放行
  //   next() 放行 next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const token = window.sessionStorage.getItem('token')
  if (!token) return next('/login')
  next()
})

export default router
